Sheet-material associating – Associating or disassociating – Sheet associating
Patent
1997-03-21
1998-11-17
Nguyen, Hoang
Sheet-material associating
Associating or disassociating
Sheet associating
270 5808, B65H 3902
Patent
active
058365788
ABSTRACT:
A finisher is provided with a stapling unit which has a staple head and a staple anvil, the staple head and the staple anvil being separated and independently movable to a stapling point. When the staple head which contains staples is detected empty, the staple head goes to a staple cartridge exchange position. When a jam of staples is detected, the staple anvil goes to a retreating position. Also, a light emitting element is provided at the staple head and a light receiving element is provided at the staple anvil. First, the staple head is moved to/stopped at a specified stapling point, and then, the staple anvil is moved. The staple anvil is stopped when the light receiving element receives a light from the light emitting element.
REFERENCES:
patent: 4928941 (1990-05-01), Uto et al.
patent: 5104106 (1992-04-01), Shido et al.
patent: 5398918 (1995-03-01), Rizzolo et al.
Hirano Ryo
Taguchi Yuji
Wakamatsu Shinji
Minolta Co. , Ltd.
Nguyen Hoang
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